include/minix/ipc.h

   1 #ifndef _IPC_H
   2 #define _IPC_H
   3
   4 /*==========================================================================*
   5  * Types relating to messages.                                              *
   6  *==========================================================================*/
   7
   8 #define M1                 1
   9 #define M3                 3
  10 #define M4                 4
  11 #define M3_STRING         14
  12
  13 typedef struct {int m1i1, m1i2, m1i3; char *m1p1, *m1p2, *m1p3;} mess_1;
  14 typedef struct {int m2i1, m2i2, m2i3; long m2l1, m2l2; char *m2p1;
  15         short m2s1;} mess_2;
  16 typedef struct {int m3i1, m3i2; char *m3p1; char m3ca1[M3_STRING];} mess_3;
  17 typedef struct {long m4l1, m4l2, m4l3, m4l4, m4l5;} mess_4;
  18 typedef struct {short m5c1, m5c2; int m5i1, m5i2; long m5l1, m5l2, m5l3;}mess_5;
  19 typedef struct {long m6l1, m6l2, m6l3; short m6s1, m6s2, m6s3; char m6c1, m6c2;
  20         char *m6p1, *m6p2;} mess_6;
  21 typedef struct {int m7i1, m7i2, m7i3, m7i4; char *m7p1, *m7p2;} mess_7;
  22 typedef struct {int m8i1, m8i2; char *m8p1, *m8p2, *m8p3, *m8p4;} mess_8;
  23
  24 typedef struct {
  25   endpoint_t m_source;          /* who sent the message */
  26   int m_type;                   /* what kind of message is it */
  27   union {
  28         mess_1 m_m1;
  29         mess_2 m_m2;
  30         mess_3 m_m3;
  31         mess_4 m_m4;
  32         mess_5 m_m5;
  33         mess_7 m_m7;
  34         mess_8 m_m8;
  35         mess_6 m_m6;
  36   } m_u;
  37 } message;
  38
  39 /* The following defines provide names for useful members. */
  40 #define m1_i1  m_u.m_m1.m1i1
  41 #define m1_i2  m_u.m_m1.m1i2
  42 #define m1_i3  m_u.m_m1.m1i3
  43 #define m1_p1  m_u.m_m1.m1p1
  44 #define m1_p2  m_u.m_m1.m1p2
  45 #define m1_p3  m_u.m_m1.m1p3
  46
  47 #define m2_i1  m_u.m_m2.m2i1
  48 #define m2_i2  m_u.m_m2.m2i2
  49 #define m2_i3  m_u.m_m2.m2i3
  50 #define m2_l1  m_u.m_m2.m2l1
  51 #define m2_l2  m_u.m_m2.m2l2
  52 #define m2_p1  m_u.m_m2.m2p1
  53
  54 #define m2_s1  m_u.m_m2.m2s1
  55
  56 #define m3_i1  m_u.m_m3.m3i1
  57 #define m3_i2  m_u.m_m3.m3i2
  58 #define m3_p1  m_u.m_m3.m3p1
  59 #define m3_ca1 m_u.m_m3.m3ca1
  60
  61 #define m4_l1  m_u.m_m4.m4l1
  62 #define m4_l2  m_u.m_m4.m4l2
  63 #define m4_l3  m_u.m_m4.m4l3
  64 #define m4_l4  m_u.m_m4.m4l4
  65 #define m4_l5  m_u.m_m4.m4l5
  66
  67 #define m5_c1  m_u.m_m5.m5c1
  68 #define m5_c2  m_u.m_m5.m5c2
  69 #define m5_i1  m_u.m_m5.m5i1
  70 #define m5_i2  m_u.m_m5.m5i2
  71 #define m5_l1  m_u.m_m5.m5l1
  72 #define m5_l2  m_u.m_m5.m5l2
  73 #define m5_l3  m_u.m_m5.m5l3
  74
  75 #define m6_l1  m_u.m_m6.m6l1
  76 #define m6_l2  m_u.m_m6.m6l2
  77 #define m6_l3  m_u.m_m6.m6l3
  78 #define m6_s1  m_u.m_m6.m6s1
  79 #define m6_s2  m_u.m_m6.m6s2
  80 #define m6_s3  m_u.m_m6.m6s3
  81 #define m6_c1  m_u.m_m6.m6c1
  82 #define m6_c2  m_u.m_m6.m6c2
  83 #define m6_p1  m_u.m_m6.m6p1
  84 #define m6_p2  m_u.m_m6.m6p2
  85
  86 #define m7_i1  m_u.m_m7.m7i1
  87 #define m7_i2  m_u.m_m7.m7i2
  88 #define m7_i3  m_u.m_m7.m7i3
  89 #define m7_i4  m_u.m_m7.m7i4
  90 #define m7_p1  m_u.m_m7.m7p1
  91 #define m7_p2  m_u.m_m7.m7p2
  92
  93 #define m8_i1  m_u.m_m8.m8i1
  94 #define m8_i2  m_u.m_m8.m8i2
  95 #define m8_p1  m_u.m_m8.m8p1
  96 #define m8_p2  m_u.m_m8.m8p2
  97 #define m8_p3  m_u.m_m8.m8p3
  98 #define m8_p4  m_u.m_m8.m8p4
  99
 100 /*==========================================================================*
 101  * Minix run-time system (IPC).                                             *
 102  *==========================================================================*/
 103
 104 /* Hide names to avoid name space pollution. */
 105 #define echo            _echo
 106 #define notify          _notify
 107 #define sendrec         _sendrec
 108 #define receive         _receive
 109 #define send            _send
 110
 111 _PROTOTYPE( int echo, (message *m_ptr)                                  );
 112 _PROTOTYPE( int notify, (endpoint_t dest)                               );
 113 _PROTOTYPE( int sendrec, (endpoint_t src_dest, message *m_ptr)          );
 114 _PROTOTYPE( int receive, (endpoint_t src, message *m_ptr)               );
 115 _PROTOTYPE( int send, (endpoint_t dest, message *m_ptr)                 );
 116
 117 #define ipc_request     _ipc_request
 118 #define ipc_reply       _ipc_reply
 119 #define ipc_notify      _ipc_notify
 120 #define ipc_select      _ipc_select
 121
 122 _PROTOTYPE( int ipc_request, (int dst, message *m_ptr)                  );
 123 _PROTOTYPE( int ipc_reply, (int dst, message *m_ptr)                    );
 124 _PROTOTYPE( int ipc_notify, (int dst, long event_set)                   );
 125 _PROTOTYPE( int ipc_receive, (int src, long events, message *m_ptr)     );
 126
 127
 128 #endif /* _IPC_H */